mass of zinc:      __30.543g____________                temperature of the zinc:     _100.0 celcius_____                      mass of cup + room temp water:  __74.421g____            mass of cup:  14.182g____________   mass of water    ___60.239g__________ temperature of the room temp water __20.3 celcius___________          final temperature of the water + zinc     :__23.9 celcius__________         Change in temperature for the room temperature water : 3.6 celcius Energy change undergone by the RT water : 906.476472   If ΔEZn is the energy change undergone by the zinc, write an equation showing how the two quantities ΔEH2O and ΔEZn can be equated. (Assume energy is conserved.) What is the numerical value of ΔEZn?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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mass of zinc:      __30.543g____________               

temperature of the zinc:     _100.0 celcius_____                     

mass of cup + room temp water:  __74.421g____           

mass of cup:  14.182g____________  

mass of water    ___60.239g__________

temperature of the room temp water __20.3 celcius___________          final temperature of the water + zinc     :__23.9 celcius__________         Change in temperature for the room temperature water : 3.6 celcius

Energy change undergone by the RT water : 906.476472

 

If ΔEZn is the energy change undergone by the zinc, write an equation showing how the two quantities ΔEH2O and ΔEZn can be equated. (Assume energy is conserved.) What is the numerical value of ΔEZn?

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